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... > Instruments > Earth Remote Sensing Instruments > Active Remote Sensing > Spectrometers/Radiometers > Lidar/Laser Spectrometers > ATLAS

Preferred term

ATLAS  

Definition

  • The Airborne Tunable Laser Absorption Spectrometer (ATLAS) uses a tunable laser to detect a target gas such as N2O, methane, carbon monoxide, or ozone. The laser source is tuned to an individual roto-vibrational line in an infrared absorption band of the target gas, and is frequency modulated at 2 kHz. The instrument detects the infrared target gas by measuring the fractional absorption of the infrared beam from the tunable diode laser. Additional information available at "http://www.dfrc.nasa.gov/Research/AirSci/ER-2/pi_inst.html" [Summary provided by NASA] (en)

Broader concept

URI

https://gcmd.earthdata.nasa.gov/kms/concept/f0aac4fb-b886-4333-a947-3fede8da1f5b

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